Next up on the heat index, a des to diet that sounds too good to be true. It's called the ice cream cleanse. Took five minutes. It promises to sweet away and shed wait. Does it work? Abbie Boudreau checked it out. Reporter: From the green juice cleanse to the cleanses, detoxes are all the rage. Promising to rid your body toxins. But have you heard about the first ever ice cream cleanse? Yes. Ice cream. How can this possibly be healthy if it's ice cream? It's healthy because it's super food ice cream. It tastes like ice cream, looks like it, it's beyond ice cream. She's not a nutritionist, but just loves ice cream and wants to have fun while detoxing. Fresh organic fruit. Reporter: The cleanse calls for five pints of kippy's ice cream a day for three days. You can lose between five and eight pounds. But nutritionist says be wear weary of too much of a good thing. A lot of honey and a limited amount of nutrients and fat in it as well. Which, again, could be too much even if it's a good fat. We're not saying you live off ice cream forever, for three days you rebalance your relationship with raw fats. Reporter: Brent rose was one of the first to test it. It sounded crazy to me. But I still had to try it. Reporter: And he wrote about it for gizmodo. A health and finance article online. Did it work? I lost four pounds, however, I gained that all back instantaneously just in the next weekend. This is delicious. It tasted so good, I had to try it. Mommy's ice cream. But after about 12 hours of eating only kippy's ice cream I feel like I've eaten a lot of ice cream and I'm kind of desperate for some real food. Instead of more dessert, I chose dinner. For "Good morning America," Abbie Boudreau, ABC news, los Angeles. Very interesting, right? It calls for five pints of the cocon coconut-based ice cream. She says it's working because of the raw fats and living enzymes. It does not taste like ice cream. It's cold. The chocolate tastes the most like ice cream. What's it called? She said you can lose five to eight pounds, but I don't know. I want a cupcake. Coming up, nick Carter,

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